8T7M

Iron and Copper bound HftA from Treponema denticola

• PDB DOI: https://doi.org/10.2210/pdb8T7M/pdb

• Classification: METAL BINDING PROTEIN
• Organism(s): Treponema denticola ATCC 35405
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2023-06-20 Released: 2024-06-26 
• Deposition Author(s): Corbett, B.W., Suits, M.D.
• Funding Organization(s): Natural Sciences and Engineering Research Council (NSERC, Canada)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.82 Å
• R-Value Free: 0.233 
• R-Value Work: 0.204 
• R-Value Observed: 0.205 

Starting Model: experimental

Literature

Structural and functional characterization of the high-affinity ferrous iron transport protein HftA from Treponema denticola

Corbett, B.W., Suits, M.D.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 35.39 kDa 
• Atom Count: 2,582 
• Modelled Residue Count: 316 
• Deposited Residue Count: 320 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Pathogen-specific surface antigen, putative	A, B	160	Treponema denticola ATCC 35405	Mutation(s): 0  Gene Names: TDE_1511
UniProt
Find proteins for Q73MJ7 (Treponema denticola (strain ATCC 35405 / DSM 14222 / CIP 103919 / JCM 8153 / KCTC 15104)) Explore Q73MJ7  Go to UniProtKB:  Q73MJ7

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	C [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
CU (Subject of Investigation/LOI)	E [auth A], G [auth B]	COPPER (II) ION Cu JPVYNHNXODAKFH-UHFFFAOYSA-N
FE (Subject of Investigation/LOI)	D [auth A], F [auth B]	FE (III) ION Fe VTLYFUHAOXGGBS-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.82 Å
• R-Value Free: 0.233 
• R-Value Work: 0.204 
• R-Value Observed: 0.205 
• Space Group: P 6₃

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 105.25	α = 90
b = 105.25	β = 90
c = 79.59	γ = 120

Software Package:

Software Name	Purpose
PHENIX	refinement
autoPROC	data processing
SCALA	data scaling
PHASER	phasing
autoPROC	data reduction

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-06-26 
Deposition Author(s): Corbett, B.W., Suits, M.D.

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Funding Organization	Location	Grant Number
Natural Sciences and Engineering Research Council (NSERC, Canada)	Canada	RGPIN-2022-05457

Revision History  

• Version 1.0: 2024-06-26
  Type: Initial release